The unpredictability of returns counts as a stylized fact of financial markets. To reproduce this fact, modelers usually implement noise terms - a method with several downsides. Above all, systematic patterns are not eliminated but merely blurred. The present article introduces a model in which...

Individual investors that are also natural persons play an important role in the stock market as providers of liquidity, and it is their investment performance that directly influences their rate of survival in the market. As to whether the outcome of their operating performance is due to their...

This paper develops a model of heterogeneous agents on an options market. On Paris Option Market, negotiators have different beliefs about future-at the volatility of the underlying. We assume in advance two groups; fundamentalists who believe in mean reversion and Chartists that incorporate...

I study how trading motives in asset markets affect equilibrium outcomes and welfare. I focus on two types of trading motives -- informational and allocational. I show that while a fully separating equilibrium is the unique equilibrium when trading motives are known, multiple equilibria exist...

Within a financial market where a risk-free bond and a long-lived risky asset are exchanged by investors with heterogeneous trading rules, we assume that the investors most exposed to the risky asset are subject to joint liquidation needs. The latter encompass a risk whenever the market impact...